Your Xbox Storage Expansion Cards can have a life after the console; as it turns out, you can use it as PC storage

Photograph of a man holding the Xbox Series X|S Seagate Storage Expansion Card
Seagate Storage Expansion Card for Xbox Series consoles (Image credit: Matt Brown | Windows Central)

Ah, the notorious Xbox Storage Expansion Card. It is easily one of my least favorite parts of the Xbox Series, especially when you consider you cannot just use a standard NVMe drive like you can on the PlayStation 5.

Instead, Xbox relies on its proprietary solution, and that remains a sore spot, particularly given the price, which still sits firmly in triple digits.

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Despite being proprietary, these cards can be connected to CFexpress ports. (Image credit: Future)

Now, as I said, or rather moaned earlier, the Xbox Series storage expansion solution is far from ideal. While it is more practical and less awkward than the PlayStation 5 approach, it significantly limits your options, and the price markup over a standard NVME is noticeable enough that some people simply cannot justify it.

With that said, if you are an avid gamer, these cards can still be a worthwhile investment. They are expensive, so it would be a shame for that spend to go to waste, especially if you have moved over to PC for your gaming.

That is where this comes in. Reddit user u/Dramatic-Shape5574, posting in the r/Xbox community, shared how a relatively inexpensive PCIe adapter can enable full use of an Xbox Expansion Card on PC.

The adapter itself is a CFexpress Type B card reader, and based on their testing, the speeds come in at around twice as fast as a typical SATA SSD.

NGFF PCI-E 4.0 PCIE 4X Host to CF Express Extension Card Socket Adapter
Type B Card Reader
NGFF PCI-E 4.0 PCIE 4X Host to CF Express Extension Card Socket Adapter: $15.99 at Amazon

This PCIe CFexpress Type B adapter lets you connect compatible NVME-based storage directly to your PC through an available PCIe slot, and it can also be used to run an Xbox expansion card as internal storage. It does not include any storage itself, but once installed, it provides a simple way to repurpose an unused Xbox expansion card for PC use, offering faster performance than typical SATA SSDs depending on your setup.

Now, keep in mind you will need a spare PCIe expansion slot in your PC for this to work.

If you do have one available, though, this feels like a great way to make use of an Xbox expansion card you might have lying around.

If this ends up helping you out, be sure to let me know in the comments as I’d love to know how you’ve got one if you try it for yourself!


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Adam Hales
Contributor

Adam is a Psychology Master’s graduate passionate about gaming, community building, and digital engagement. A lifelong Xbox fan since 2001, he started with Halo: Combat Evolved and remains an avid achievement hunter. Over the years, he has engaged with several Discord communities, helping them get established and grow. Gaming has always been more than a hobby for Adam—it’s where he’s met many friends, taken on new challenges, and connected with communities that share his passion.

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